21634907

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 3745957

約数列:

[1, 7, 71, 101, 431, 497, 707, 3017, 7171, 30601, 43531, 50197, 214207, 304717, 3090701, 21634907]

約数ペア:

[(1, 21634907), (7, 3090701), (71, 304717), (101, 214207), (431, 50197), (497, 43531), (707, 30601), (3017, 7171)]